{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898752,-0.438457,0.000000,0.000000,0.283808,-0.581752,0.762245,0.000000,-0.333269,0.683137,0.649812,0.000000,-2128646.702346,4363310.161938,4122677.718825,1],    "boundingVolume": {    "region": [2.024591,0.707283,2.024765,0.707392,0.000000,7.752046]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/29/17_1802916.b3dm"}}}